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Finding the Fourth Proportional to 543,553.75, 750,079.02 and 301,851.76

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Solution

The fourth proportional to 543,553.75, 750,079.02 and 301,851.76 is: 416,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,553.75 : 750,079.02 = 301,851.76 : x
  2. Step 2: Convert to fraction form
    543,553.75/750,079.02 = 301,851.76/x
  3. Step 3: Cross multiply
    543,553.75x = 750,079.02 × 301,851.76
  4. Step 4: Simplify right side
    543,553.75x = 226,412,672,326.08
  5. Step 5: Solve for x
    x = 226,412,672,326.08/543,553.75
  6. Step 6: Final answer
    x = 416,541.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.